Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung co danh slippers" » "dung cho danh slippers", "dung cong danh slippers", "dung cua danh slippers", "dung cao danh slippers", "dung co dan slippers", "dung do danh slippers", "dung co danh slippery", "dung co danh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("dung co danh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung co danh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung co danh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung co danh slippers"))) or ("locating bug code snippets"))*.